Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

Tiki luxury on Nob Hill.

Visible below the waves are memorials to the city's Gold Rush dead.

A huge musical instrument played by the ocean.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

Abstract dinosaur models in London.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Scattered throughout London are ancient remnants of the city's former bounding wall.

The curios of pharmacist and collector Henry Wellcome.

An unusual round church in London with a Templar past.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

This historic graveyard monument is dedicated to a tragic victim of witch trial hysteria.

This grubby wall is said to be one of the Earth's esoteric energy centers.

Eighty million natural history specimens call this gargantuan museum home.

Explore nearly 400 years of English middle-class home life.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.